/*
 * Copyright (C) 2008, Google Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

namespace GitSharp.Core.Transport
{

    public abstract class DaemonService
    {
        public string Command { get; private set; }
        public string Config { get; private set; }
        public bool Enabled { get; set; }
        public bool Overridable { get; set; }

        protected DaemonService(string cmdName, string cfgName)
        {
            Command = cmdName.StartsWith("git-") ? cmdName : "git-" + cmdName;
            Config = cfgName;
            Overridable = true;
        }

        public bool Handles(string commandLine)
        {
            return Command.Length + 1 < commandLine.Length && commandLine[Command.Length] == ' ' &&
                   commandLine.StartsWith(Command);
        }

        public void Execute(DaemonClient client, string commandLine)
        {
            string name = commandLine.Substring(Command.Length + 1);
            Repository db = client.Daemon.OpenRepository(name);
            if (db == null) return;
            bool on = Enabled;
            if (Overridable)
                on = db.Config.getBoolean("daemon", Config, on);
            if (on)
                Execute(client, db);
        }

        public abstract void Execute(DaemonClient client, Repository db);
    }

}